/*
 * 现代科技风格主题 - 广东鑫证司法鉴定所
 * 提供浅色背景的现代科技感风格作为网站的替代主题
 */

/* 现代科技主题变量覆盖 */
.theme-dark {
    /* === 现代科技配色系统 === */
    --color-primary: #0ea5e9;          /* 科技蓝 */
    --color-primary-light: #38bdf8;    
    --color-primary-dark: #0284c7;     
    
    --color-secondary: #f8fafc;        /* 浅色背景 */
    --color-secondary-light: #ffffff;
    --color-secondary-dark: #f1f5f9;
    
    /* 背景和文字 */
    --color-white: #ffffff;             /* 白色背景 */
    --color-gray-50: #f8fafc;          /* 浅色背景 */
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;         /* 文字色 */
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;         /* 主要文字色 */
    
    /* 科技强调色 */
    --color-accent: #06b6d4;           /* 青色科技感 */
    --color-accent-light: #22d3ee;
    --color-accent-dark: #0891b2;
    
    /* 组件背景 */
    --header-background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    --card-shadow: 0 25px 50px -12px rgba(14, 165, 233, 0.15), 0 0 0 1px rgba(14, 165, 233, 0.1);
    
    /* 科技感边框和阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(14, 165, 233, 0.1), 0 0 0 1px rgba(14, 165, 233, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(14, 165, 233, 0.1), 0 2px 4px -1px rgba(14, 165, 233, 0.06), 0 0 0 1px rgba(14, 165, 233, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(14, 165, 233, 0.1), 0 4px 6px -2px rgba(14, 165, 233, 0.05), 0 0 0 1px rgba(14, 165, 233, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(14, 165, 233, 0.1), 0 10px 10px -5px rgba(14, 165, 233, 0.04), 0 0 0 1px rgba(14, 165, 233, 0.05);
}

/* 现代科技主题下的特殊样式调整 */
.theme-dark .hero {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #ffffff 100%), 
                linear-gradient(45deg, rgba(14, 165, 233, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    color: var(--color-gray-900);
    position: relative;
    overflow: hidden;
}

.theme-dark .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(14, 165, 233, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(14, 165, 233, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

.theme-dark .hero-content {
    position: relative;
    z-index: 2;
}

.theme-dark .hero-title {
    color: var(--color-gray-900);
    background: linear-gradient(135deg, #0f172a 0%, #0ea5e9 50%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.theme-dark .hero-subtitle {
    color: var(--color-gray-600);
}

.theme-dark .navbar {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%) !important;
    border-bottom: 1px solid rgba(14, 165, 233, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(14, 165, 233, 0.05), 0 2px 4px -1px rgba(14, 165, 233, 0.03), 
                0 0 0 1px rgba(14, 165, 233, 0.05);
}

.theme-dark .navbar-brand {
    color: var(--color-gray-900) !important;
}

.theme-dark .navbar-brand span {
    color: var(--color-gray-900);
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.theme-dark .nav-link {
    color: var(--color-gray-700) !important;
}

.theme-dark .nav-link:hover,
.theme-dark .nav-link.active {
    color: var(--color-primary) !important;
}

.theme-dark .nav-link::after {
    background-color: var(--color-primary) !important;
}

.theme-dark .navbar-toggle {
    color: var(--color-gray-700) !important;
}

/* 科技主题移动端导航 */
@media (max-width: 767px) {
    .theme-dark .navbar-nav {
        background: var(--color-white) !important;
        border-top: 1px solid rgba(14, 165, 233, 0.15);
    }
    
    .theme-dark .nav-link {
        border-bottom: 1px solid rgba(14, 165, 233, 0.1) !important;
    }
}

.theme-dark .footer {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 50%, #f1f5f9 100%);
    color: var(--color-gray-600);
    border-top: 1px solid rgba(14, 165, 233, 0.15);
}

.theme-dark .footer h4 {
    color: var(--color-gray-900);
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.theme-dark .footer-links a {
    color: var(--color-gray-500);
    transition: all 0.3s ease;
}

.theme-dark .footer-links a:hover {
    color: var(--color-primary);
    text-shadow: 0 0 8px rgba(14, 165, 233, 0.3);
}

.theme-dark .card {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-50) 100%);
    border: 1px solid rgba(14, 165, 233, 0.15);
    position: relative;
    overflow: hidden;
}

.theme-dark .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #0ea5e9 0%, #06b6d4 50%, #0ea5e9 100%);
    opacity: 0.6;
}

.theme-dark .card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 25px 50px -12px rgba(14, 165, 233, 0.15), 
                0 0 0 1px rgba(14, 165, 233, 0.2),
                0 0 20px rgba(14, 165, 233, 0.1);
    transform: translateY(-2px);
}

.theme-dark .service-card-icon {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.4), 
                0 0 20px rgba(14, 165, 233, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.theme-dark .service-card-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.theme-dark .btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border: none;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.4),
                0 0 20px rgba(14, 165, 233, 0.2);
    position: relative;
    overflow: hidden;
}

.theme-dark .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.theme-dark .btn-primary:hover::before {
    left: 100%;
}

.theme-dark .btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.5),
                0 0 30px rgba(14, 165, 233, 0.3);
}

.theme-dark .btn-secondary {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    position: relative;
    overflow: hidden;
}

.theme-dark .btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    transition: width 0.3s ease;
    z-index: -1;
}

.theme-dark .btn-secondary:hover::before {
    width: 100%;
}

.theme-dark .btn-secondary:hover {
    color: var(--color-white);
    border-color: var(--color-accent);
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.4);
}

/* 表单元素在现代科技主题下的样式 */
.theme-dark .form-control {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-50) 100%);
    border: 1px solid rgba(14, 165, 233, 0.2);
    color: var(--color-gray-900);
    transition: all 0.3s ease;
}

.theme-dark .form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1),
                0 0 20px rgba(14, 165, 233, 0.05);
    background: var(--color-white);
}

.theme-dark .form-control::placeholder {
    color: var(--color-gray-400);
}

/* 服务项目卡片特殊样式 */
.theme-dark .service-card {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-50) 100%);
    border: 1px solid rgba(14, 165, 233, 0.15);
    position: relative;
    overflow: hidden;
}

.theme-dark .service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(14, 165, 233, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.theme-dark .service-card:hover::after {
    opacity: 1;
}

.theme-dark .service-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.15),
                0 0 0 1px rgba(14, 165, 233, 0.1),
                0 0 20px rgba(14, 165, 233, 0.05);
    transform: translateY(-4px);
}

/* 页面过渡动画 */
.theme-dark {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-dark * {
    transition: background-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                color 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s ease;
}

/* 滚动条样式（仅支持 WebKit 浏览器） */
.theme-dark ::-webkit-scrollbar {
    width: 8px;
}

.theme-dark ::-webkit-scrollbar-track {
    background: var(--color-gray-100);
    border-radius: 4px;
}

.theme-dark ::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: 4px;
    box-shadow: 0 0 10px rgba(14, 165, 233, 0.2);
}

.theme-dark ::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent-light) 100%);
    box-shadow: 0 0 15px rgba(14, 165, 233, 0.3);
}

/* 科技感文字发光效果 */
.theme-dark h1, .theme-dark h2, .theme-dark h3 {
    text-shadow: 0 0 10px rgba(14, 165, 233, 0.1);
}

/* 科技感背景动画 */
@keyframes techPulse {
    0%, 100% { opacity: 0.03; }
    50% { opacity: 0.08; }
}

.theme-dark .hero::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: techPulse 4s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}